/* 演示样式 */
.example {
  padding: 20px 0;
}

.example h2 {
  font-size: 28px;
  color: #1f2f3d;
  margin: 12px 0;
}

.example a {
  color: #409eff;
}

.example a:hover {
  text-decoration: underline;
}

.example .code {
  display: block;
  background: #1e1e1e;
  border-radius: 8px;
  padding: 12px;
  margin: 0 0 15px;
  white-space: pre-wrap;
  font-size: 0;
}

.code>textarea {
  width: 100%;
  height: 100%;
  border: 0;
  color: #569cd6;
  background: transparent;
  resize: none;
  font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande",
    "Lucida Sans", Arial, sans-serif;
  line-height: 1.7;
  font-size: 14px;
}

.example .demo {
  border: 1px solid #ebebeb;
  border-radius: 3px;
  padding: 24px;
  margin-bottom: 15px;
}

.example p {
  font-size: 14px;
  color: #5e6d82;
  line-height: 1.5em;
  margin: 1em 0;
}